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/* $Xorg: XpPrinter.c,v 1.4 2000/08/17 19:46:07 cpqbld Exp $ */
/******************************************************************************
******************************************************************************
**
** (c) Copyright 1996 Hewlett-Packard Company
** (c) Copyright 1996 International Business Machines Corp.
** (c) Copyright 1996 Sun Microsystems, Inc.
** (c) Copyright 1996 Novell, Inc.
** (c) Copyright 1996 Digital Equipment Corp.
** (c) Copyright 1996 Fujitsu Limited
** (c) Copyright 1996 Hitachi, Ltd.
**
** Permission is hereby granted, free of charge, to any person obtaining a copy
** of this software and associated documentation files (the "Software"), to deal
** in the Software without restriction, including without limitation the rights
** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
** copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in
** all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
** COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
** IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
** CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
** Except as contained in this notice, the names of the copyright holders shall
** not be used in advertising or otherwise to promote the sale, use or other
** dealings in this Software without prior written authorization from said
** copyright holders.
**
******************************************************************************
*****************************************************************************/
/* $XFree86: xc/lib/Xp/XpPrinter.c,v 1.8 2001/04/01 14:00:02 tsi Exp $ */
#define NEED_REPLIES
#include <X11/extensions/Printstr.h>
#include <X11/Xlibint.h>
#include "XpExtUtil.h"
#define _XpPadOut(len) (((len) + 3) & ~3)
XPPrinterList
XpGetPrinterList (
Display *dpy,
char *printer_name,
int *list_count /* return value */
)
{
xPrintGetPrinterListReq *req;
xPrintGetPrinterListReply rep;
int printer_name_len, locale_len;
char *locale;
/* For decoding the variable portion of Reply */
long dataLenVR;
CARD8 *dataVR; /* aka STRING8 */
XPPrinterList ptr_list;
XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy);
/* For converting root winID to corresponding ScreenPtr */
int i;
if (XpCheckExtInit(dpy, XP_DONT_CHECK) == -1)
return ( (XPPrinterList) NULL ); /* No such extension */
/*
* Fetch locale information. Note: XpGetLocaleNetString has
* a thread-safe mutex on _Xglobal_lock.
*/
locale = XpGetLocaleNetString();
LockDisplay (dpy);
GetReq(PrintGetPrinterList,req);
req->reqType = info->codes->major_opcode;
req->printReqType = X_PrintGetPrinterList;
/*
* Compute lengths of variable portions.
*/
if ( printer_name == (char *) NULL )
req->printerNameLen = 0;
else if ( *printer_name == (char) NULL )
req->printerNameLen = 0;
else {
printer_name_len = strlen( printer_name );
req->length += _XpPadOut(printer_name_len) >> 2;
req->printerNameLen = (unsigned long) printer_name_len;
}
if ( locale == (char *) NULL )
req->localeLen = 0;
else if ( *locale == (char) NULL )
req->localeLen = 0;
else {
locale_len = strlen( locale );
req->length += _XpPadOut(locale_len) >> 2;
req->localeLen = (unsigned long) locale_len;
}
/*
* Attach variable data.
*/
if (req->printerNameLen)
Data( dpy, (char *) printer_name, (long) req->printerNameLen );
if (req->localeLen)
Data( dpy, (char *) locale, (long) req->localeLen );
if (! _XReply (dpy, (xReply *) &rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return ( (XPPrinterList) NULL ); /* error */
}
XFree(locale);
*list_count = rep.listCount;
if (*list_count) {
ptr_list = (XPPrinterList)
Xmalloc( (unsigned) (sizeof(XPPrinterRec) * (*list_count + 1)));
if (!ptr_list) {
UnlockDisplay(dpy);
SyncHandle();
return ( (XPPrinterList) NULL ); /* malloc error */
}
/*
* NULL last entry so XpFreePrinterList can work without a list_count
*/
ptr_list[*list_count].name = (char *) NULL;
ptr_list[*list_count].desc = (char *) NULL;
for ( i = 0; i < *list_count; i++ ) {
/*
* Pull printer length and then name.
*/
_XRead32 (dpy, &dataLenVR, (long) sizeof(CARD32) );
if (dataLenVR) {
dataVR = (CARD8 *) Xmalloc( (unsigned) dataLenVR + 1 );
if (!dataVR) {
UnlockDisplay(dpy);
SyncHandle();
return ( (XPPrinterList) NULL ); /* malloc error */
}
_XReadPad (dpy, (char *) dataVR, (long) dataLenVR);
dataVR[dataLenVR] = 0;
ptr_list[i].name = (char *) dataVR;
}
else {
ptr_list[i].name = (char *) NULL;
}
/*
* Pull localized description length and then description.
*/
_XRead32 (dpy, &dataLenVR, (long) sizeof(CARD32) );
if (dataLenVR) {
dataVR = (CARD8 *) Xmalloc( (unsigned) dataLenVR + 1 );
if (!dataVR) {
UnlockDisplay(dpy);
SyncHandle();
return ( (XPPrinterList) NULL ); /* malloc error */
}
_XReadPad (dpy, (char *) dataVR, (long) dataLenVR);
dataVR[dataLenVR] = 0;
ptr_list[i].desc = (char *) dataVR;
}
else {
ptr_list[i].desc = (char *) NULL;
}
}
}
else {
ptr_list = (XPPrinterList) NULL;
}
UnlockDisplay(dpy);
SyncHandle();
return ( ptr_list );
}
void
XpFreePrinterList (
XPPrinterList printer_list
)
{
int i;
if ( printer_list == NULL )
return;
i = 0;
while (printer_list[i].name != NULL) {
Xfree( (char *) printer_list[i].name );
Xfree( (char *) printer_list[i].desc );
i++;
}
Xfree( (char *) printer_list );
}
void
XpRehashPrinterList (
Display *dpy
)
{
xPrintRehashPrinterListReq *req;
XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy);
if (XpCheckExtInit(dpy, XP_INITIAL_RELEASE) == -1)
return; /* NoSuchExtension */
LockDisplay (dpy);
GetReq(PrintRehashPrinterList,req);
req->reqType = info->codes->major_opcode;
req->printReqType = X_PrintRehashPrinterList;
UnlockDisplay (dpy);
SyncHandle ();
}
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